What do we do when a mixed perennials pot is overgrown?

cutting

We tend to take it apart and start over.

Here we see Brian has pulled the plants out of the square pot and they have all come o0ut together in one well-rooted mass.

Nice!

Now we also see Brian has a knife. What is he going to do with that knife????

cutting2

Here’s the closeup of the very well-rooted mass.